Swinging with the Comet 'nickle and dimers' and other stuff

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Re: Swinging with the Comet 'nickle and dimers' and other st

Postby simpleflyer » Sat Sep 05, 2015 12:17 am

Started work on the inner panels of the wing. Parts fit is good and went together quickly.
SC_09-02-15a.JPG

The outer panels had a couple more parts, so they took a bit longer.
SC_09-04-15a.JPG

Frank Ehling's redesign of the wing makes it an easy job to build this wing.
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Re: Swinging with the Comet 'nickle and dimers' and other st

Postby simpleflyer » Sat Sep 05, 2015 10:46 pm

Shaped and sanded the wing-tips and trailing edges of the outer panels.
SC_09-05-15a.JPG
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Re: Swinging with the Comet 'nickle and dimers' and other st

Postby simpleflyer » Thu Oct 22, 2015 10:36 pm

Fall yard work and other stuff has slowed the work on the Jetco 50-X project.

However, we were able to participate in the Berkeley kit/plan cook-up at the Stick and Tissue Forum. We happened to have a Profile Powerhouse kit in our stash and decided to build it for the cook-up. One can find a plan for the Profile Powerhouse at:
http://www.outerzone.co.uk/plan_details.asp?ID=5468 A pic of the Profile Powerhouse.
Profie Powerhouse_Msm.JPG

The Berkeley kit is typical for time of its production in the 1950s. Well drawn plans, good engineering, and fair die-cut wood.

Construction started with the wing.
SC_09-21-15a.JPG

The die cutting was good and leading and trailing edges were nicely shaped. There was a minor issue with the rib notches in that some were cut wider than the rib width.
SC_09-21-15b.JPG
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Re: Swinging with the Comet 'nickle and dimers' and other st

Postby simpleflyer » Thu Oct 22, 2015 11:02 pm

The wide rib notches were corrected by inserting small bits of i/16 balsa scrap into the notches along with the rib to make a tight glue joint. Also the underside of the three ribs in the middle of the wing are covered with 1/32 sheet balsa.
SC_09-21-15c.JPG

The wing as designed has a poly-hedral with breaks in the wing middle and in each outer panel. We intend to have a removable wing, so we will eliminate the break in the middle and put dihedral in the two outer panels.
SC_09-22-15a.JPG

Tissue cover is applied to the wing. The fuselage and tail parts are sanded and partially assembled. The horizontal tail will be modified to be removable.
SC_09-28-15a.JPG
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Re: Swinging with the Comet 'nickle and dimers' and other st

Postby simpleflyer » Thu Oct 22, 2015 11:26 pm

The Profile Powerhouse is assembled except for the end of the nose. We will be flying the Powerhouse as a 'swinger' so we gave some thought for a creative nose weight.
SC_09-29-15a.JPG

And our decision was this Cox 020 TeeDee. I got it from Smitty, our long time friend and modeling mentor. A long while back he had a fire in his garage which served as: office, hobby shop, workshop, and storage area. Sadly, it damaged a significant amount of his model stuff. After the fire, he patiently went thru the ruins and tried to salvage whatever he could. He gathered a lot of half-A engines and put them in a can of kerosene to prevent further damage. Most were unusable for flying, but I mentioned to him that I would like to have them as I was collecting old half-A engines and he gave me the lot. Sorting thru the engines, I found the 020 TeeDee. It was un-runable so we cleaned it up a bit for show. Now it serves as the nose weight for the Profile Powerhouse.
SC_10-02-15a.JPG

The Profile Powerhouse ready for flight.
SC_10-01-15a.JPG
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Re: Swinging with the Comet 'nickle and dimers' and other st

Postby simpleflyer » Thu Oct 22, 2015 11:33 pm

Pix of the Profile Powerhouse in flight. It could use a bit more nose weight. But this is temporarily corrected by sliding the wing back a bit in its mount.
SC_10-02-15b1.JPG

SC_10-02-15b2.JPG

SC_10-02-15b3.jpg


Enjoy,

SF
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Re: Swinging with the Comet 'nickle and dimers' and other st

Postby simpleflyer » Tue Nov 24, 2015 12:38 am

On the previous page of this thread we show the construction of a 40 inch wingspan swing control model called the SS-40. Today was a great day for flying, so we took the SS-40 and some other of long wing swingers for some flights. In one of the flights of the SS-40, we captured this interesting pic as the craft flew thru a gust of air.
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